Title :
A segmented output strategy for improving efficiency of DC-DC converter
Author :
Ma, Kui ; Yang, Fa-shun ; Lin, Jie-xing ; Fu, Xing-hua
Author_Institution :
Dept. of Electron., Guizhou Univ., Guiyang, China
Abstract :
Monolithic integrated power ICs have been used in many fields. The switching loss of power MOSFET in these ICs is attributed the major part of the loss and determines the whole efficiency of the chip. A segmented output stage with a simple controller which can improve the converter efficiency of power ICs was proposed in this paper. A buck DC-DC converter with segmented output stage was implemented in a 0.5μm BCD process. The delivery efficiency of the converter can be improved about 8.83% under 5V supply and 26.46% under 3.3V supply.
Keywords :
BIMOS integrated circuits; DC-DC power convertors; power MOSFET; power integrated circuits; BCD process; buck DC-DC converter; converter efficiency; monolithic integrated power integrated circuits; power MOSFET; segmented output strategy; size 0.5 mum; switching loss; voltage 3.3 V; voltage 5 V; Educational institutions; Logic gates; Power MOSFET; Switches; Switching loss; Voltage control; High Efficiency; Power Integrated Circuits; Segmented Output Stage;
Conference_Titel :
Electronics, Communications and Control (ICECC), 2011 International Conference on
Conference_Location :
Ningbo
Print_ISBN :
978-1-4577-0320-1
DOI :
10.1109/ICECC.2011.6066401
